US United States Major Regions Postal Code Details
๐๏ธ Warren ยท New Jersey
07820
Allamuchy
08865
Alpha
07823
Belvidere
07825
Blairstown
08808
Broadway
07829
Buttzville
07831
Changewater
07832
Columbia
07833
Delaware
08865
Delaware Park
07838
Great Meadows
07840
Hackettstown
07825
Hardwick
08865
Harmony Township
07844
Hope
07825
Johnsonburg
08865
Lopatcong
07863
Oxford
08865
Phillipsburg
07865
Port Murray
08886
Stewartsville
07880
Vienna
07882
Washington
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
๐ How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
โ ๏ธ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).